AirHint found the following cheapest one-way flights from San Diego (SAN) to Oakland (OAK) in October 2025 (see full year).

One-Way flights

01 Oct	Spirit Airlines	direct
03 Oct	Spirit Airlines	direct
22 Oct	Southwest Airlines	direct
04 Oct	Southwest Airlines
12 Oct	Southwest Airlines	direct
24 Oct	Southwest Airlines	direct
04 Oct	Southwest Airlines	direct
26 Oct	Southwest Airlines	direct
19 Oct	Southwest Airlines	direct
05 Oct	Southwest Airlines	direct

Also check the deals for return flights from San Diego to Oakland in October.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest one-way flights from San Diego to Oakland in October from $29

One-Way flights